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🛠️ Keep your engine running cooler, longer — don’t get left behind!
Onan OnaMax SAE 15W-40 Engine Oil is a high-quality conventional oil designed specifically for generator engines. Its heat-resistant formula reduces oil consumption and engine wear caused by high-temperature oxidation. Packaged in a convenient 32 oz. bottle, this Cummins-manufactured oil delivers reliable performance backed by a 4.8-star customer rating.
| ASIN | B00278MET8 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #4,145 in Automotive ( See Top 100 in Automotive ) #75 in Motor Oils |
| Brand Name | Cummins |
| Compatible with Vehicle Type | Generator |
| Container Type | Bottle |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,078) |
| Global Trade Identification Number | 00690781000704 |
| Included Components | Oil |
| Item Type Name | Oil |
| Item Weight | 1.9 pounds |
| Liquid Volume | 1 liters |
| Manufacturer | Cummins Inc. |
| Manufacturer Part Number | 326-5336 |
| Model Number | 326-5336 |
| Number of Packs | 1 |
| SAE J300 Viscosity Grade | 15W-40 |
| Size | 32 oz |
| UPC | 690781000704 |
| Unit Count | 32 Fluid Ounces |
| Viscosity Level | Medium to High |
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